42002440444 has 6 divisors (see below), whose sum is σ = 73504270784. Its totient is φ = 21001220220.

The previous prime is 42002440439. The next prime is 42002440451. The reversal of 42002440444 is 44404420024.

42002440444 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5250305052 + ... + 5250305059.

Almost surely, 2^42002440444 is an apocalyptic number.

It is an amenable number.

42002440444 is a deficient number, since it is larger than the sum of its proper divisors (31501830340).

42002440444 is a wasteful number, since it uses less digits than its factorization.

42002440444 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10500610115 (or 10500610113 counting only the distinct ones).

The product of its (nonzero) digits is 16384, while the sum is 28.

Adding to 42002440444 its reverse (44404420024), we get a palindrome (86406860468).

The spelling of 42002440444 in words is "forty-two billion, two million, four hundred forty thousand, four hundred forty-four".